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Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains the handling of command. | |
3 | * It prepares command and sends it to firmware when it is ready. | |
4 | */ | |
5 | ||
7919b89c | 6 | #include <linux/kfifo.h> |
e93156e7 | 7 | #include <linux/sched.h> |
5a0e3ad6 | 8 | #include <linux/slab.h> |
e93156e7 | 9 | |
876c9d3a | 10 | #include "host.h" |
876c9d3a MT |
11 | #include "decl.h" |
12 | #include "defs.h" | |
13 | #include "dev.h" | |
697900ac | 14 | #include "assoc.h" |
876c9d3a | 15 | #include "wext.h" |
2d46502d | 16 | #include "scan.h" |
6e66f03f | 17 | #include "cmd.h" |
876c9d3a | 18 | |
e93156e7 | 19 | |
2fd6cfe3 | 20 | static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv); |
0d61d042 | 21 | |
8db4a2b9 HS |
22 | /** |
23 | * @brief Simple callback that copies response back into command | |
24 | * | |
25 | * @param priv A pointer to struct lbs_private structure | |
26 | * @param extra A pointer to the original command structure for which | |
27 | * 'resp' is a response | |
28 | * @param resp A pointer to the command response | |
29 | * | |
30 | * @return 0 on success, error on failure | |
31 | */ | |
32 | int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra, | |
33 | struct cmd_header *resp) | |
34 | { | |
35 | struct cmd_header *buf = (void *)extra; | |
36 | uint16_t copy_len; | |
37 | ||
38 | copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size)); | |
39 | memcpy(buf, resp, copy_len); | |
40 | return 0; | |
41 | } | |
42 | EXPORT_SYMBOL_GPL(lbs_cmd_copyback); | |
43 | ||
44 | /** | |
45 | * @brief Simple callback that ignores the result. Use this if | |
46 | * you just want to send a command to the hardware, but don't | |
47 | * care for the result. | |
48 | * | |
49 | * @param priv ignored | |
50 | * @param extra ignored | |
51 | * @param resp ignored | |
52 | * | |
53 | * @return 0 for success | |
54 | */ | |
55 | static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra, | |
56 | struct cmd_header *resp) | |
57 | { | |
58 | return 0; | |
59 | } | |
60 | ||
61 | ||
876c9d3a | 62 | /** |
852e1f2a | 63 | * @brief Checks whether a command is allowed in Power Save mode |
876c9d3a MT |
64 | * |
65 | * @param command the command ID | |
852e1f2a | 66 | * @return 1 if allowed, 0 if not allowed |
876c9d3a | 67 | */ |
852e1f2a | 68 | static u8 is_command_allowed_in_ps(u16 cmd) |
876c9d3a | 69 | { |
852e1f2a DW |
70 | switch (cmd) { |
71 | case CMD_802_11_RSSI: | |
72 | return 1; | |
73 | default: | |
74 | break; | |
876c9d3a | 75 | } |
876c9d3a MT |
76 | return 0; |
77 | } | |
78 | ||
63f275df AK |
79 | /** |
80 | * @brief This function checks if the command is allowed. | |
81 | * | |
82 | * @param priv A pointer to lbs_private structure | |
83 | * @return allowed or not allowed. | |
84 | */ | |
85 | ||
86 | static int lbs_is_cmd_allowed(struct lbs_private *priv) | |
87 | { | |
88 | int ret = 1; | |
89 | ||
90 | lbs_deb_enter(LBS_DEB_CMD); | |
91 | ||
92 | if (!priv->is_auto_deep_sleep_enabled) { | |
93 | if (priv->is_deep_sleep) { | |
94 | lbs_deb_cmd("command not allowed in deep sleep\n"); | |
95 | ret = 0; | |
96 | } | |
97 | } | |
98 | ||
99 | lbs_deb_leave(LBS_DEB_CMD); | |
100 | return ret; | |
101 | } | |
102 | ||
6e66f03f DW |
103 | /** |
104 | * @brief Updates the hardware details like MAC address and regulatory region | |
105 | * | |
106 | * @param priv A pointer to struct lbs_private structure | |
107 | * | |
108 | * @return 0 on success, error on failure | |
109 | */ | |
110 | int lbs_update_hw_spec(struct lbs_private *priv) | |
876c9d3a | 111 | { |
6e66f03f DW |
112 | struct cmd_ds_get_hw_spec cmd; |
113 | int ret = -1; | |
114 | u32 i; | |
876c9d3a | 115 | |
9012b28a | 116 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 117 | |
6e66f03f DW |
118 | memset(&cmd, 0, sizeof(cmd)); |
119 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
120 | memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN); | |
689442dc | 121 | ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd); |
6e66f03f DW |
122 | if (ret) |
123 | goto out; | |
124 | ||
125 | priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo); | |
6e66f03f | 126 | |
dac10a9f HS |
127 | /* The firmware release is in an interesting format: the patch |
128 | * level is in the most significant nibble ... so fix that: */ | |
129 | priv->fwrelease = le32_to_cpu(cmd.fwrelease); | |
130 | priv->fwrelease = (priv->fwrelease << 8) | | |
131 | (priv->fwrelease >> 24 & 0xff); | |
132 | ||
133 | /* Some firmware capabilities: | |
134 | * CF card firmware 5.0.16p0: cap 0x00000303 | |
135 | * USB dongle firmware 5.110.17p2: cap 0x00000303 | |
136 | */ | |
e174961c JB |
137 | lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n", |
138 | cmd.permanentaddr, | |
dac10a9f HS |
139 | priv->fwrelease >> 24 & 0xff, |
140 | priv->fwrelease >> 16 & 0xff, | |
141 | priv->fwrelease >> 8 & 0xff, | |
142 | priv->fwrelease & 0xff, | |
143 | priv->fwcapinfo); | |
6e66f03f DW |
144 | lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n", |
145 | cmd.hwifversion, cmd.version); | |
146 | ||
147 | /* Clamp region code to 8-bit since FW spec indicates that it should | |
148 | * only ever be 8-bit, even though the field size is 16-bit. Some firmware | |
149 | * returns non-zero high 8 bits here. | |
15483996 MV |
150 | * |
151 | * Firmware version 4.0.102 used in CF8381 has region code shifted. We | |
152 | * need to check for this problem and handle it properly. | |
6e66f03f | 153 | */ |
15483996 MV |
154 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4) |
155 | priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF; | |
156 | else | |
157 | priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; | |
6e66f03f DW |
158 | |
159 | for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) { | |
160 | /* use the region code to search for the index */ | |
161 | if (priv->regioncode == lbs_region_code_to_index[i]) | |
162 | break; | |
163 | } | |
164 | ||
165 | /* if it's unidentified region code, use the default (USA) */ | |
166 | if (i >= MRVDRV_MAX_REGION_CODE) { | |
167 | priv->regioncode = 0x10; | |
168 | lbs_pr_info("unidentified region code; using the default (USA)\n"); | |
169 | } | |
170 | ||
171 | if (priv->current_addr[0] == 0xff) | |
172 | memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN); | |
876c9d3a | 173 | |
6e66f03f DW |
174 | memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN); |
175 | if (priv->mesh_dev) | |
176 | memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN); | |
177 | ||
178 | if (lbs_set_regiontable(priv, priv->regioncode, 0)) { | |
179 | ret = -1; | |
180 | goto out; | |
181 | } | |
182 | ||
6e66f03f | 183 | out: |
9012b28a | 184 | lbs_deb_leave(LBS_DEB_CMD); |
6e66f03f | 185 | return ret; |
876c9d3a MT |
186 | } |
187 | ||
582c1b53 AN |
188 | int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria, |
189 | struct wol_config *p_wol_config) | |
6ce4fd2a DW |
190 | { |
191 | struct cmd_ds_host_sleep cmd_config; | |
192 | int ret; | |
193 | ||
9fae899c | 194 | cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config)); |
6ce4fd2a | 195 | cmd_config.criteria = cpu_to_le32(criteria); |
506e9025 DW |
196 | cmd_config.gpio = priv->wol_gpio; |
197 | cmd_config.gap = priv->wol_gap; | |
6ce4fd2a | 198 | |
582c1b53 AN |
199 | if (p_wol_config != NULL) |
200 | memcpy((uint8_t *)&cmd_config.wol_conf, (uint8_t *)p_wol_config, | |
201 | sizeof(struct wol_config)); | |
202 | else | |
203 | cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE; | |
204 | ||
689442dc | 205 | ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config); |
506e9025 | 206 | if (!ret) { |
582c1b53 AN |
207 | if (criteria) { |
208 | lbs_deb_cmd("Set WOL criteria to %x\n", criteria); | |
209 | priv->wol_criteria = criteria; | |
210 | } else | |
211 | memcpy((uint8_t *) p_wol_config, | |
212 | (uint8_t *)&cmd_config.wol_conf, | |
213 | sizeof(struct wol_config)); | |
506e9025 | 214 | } else { |
6ce4fd2a | 215 | lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret); |
6ce4fd2a | 216 | } |
506e9025 | 217 | |
6ce4fd2a DW |
218 | return ret; |
219 | } | |
220 | EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg); | |
221 | ||
e98a88dd | 222 | static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd, |
876c9d3a MT |
223 | u16 cmd_action) |
224 | { | |
225 | struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode; | |
876c9d3a | 226 | |
9012b28a | 227 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 228 | |
0aef64d7 | 229 | cmd->command = cpu_to_le16(CMD_802_11_PS_MODE); |
981f187b | 230 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) + |
8ec97cc8 | 231 | sizeof(struct cmd_header)); |
876c9d3a MT |
232 | psm->action = cpu_to_le16(cmd_action); |
233 | psm->multipledtim = 0; | |
981f187b | 234 | switch (cmd_action) { |
0aef64d7 | 235 | case CMD_SUBCMD_ENTER_PS: |
9012b28a | 236 | lbs_deb_cmd("PS command:" "SubCode- Enter PS\n"); |
876c9d3a | 237 | |
252cf0d1 | 238 | psm->locallisteninterval = 0; |
97605c3e | 239 | psm->nullpktinterval = 0; |
876c9d3a | 240 | psm->multipledtim = |
56c4656e | 241 | cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM); |
876c9d3a MT |
242 | break; |
243 | ||
0aef64d7 | 244 | case CMD_SUBCMD_EXIT_PS: |
9012b28a | 245 | lbs_deb_cmd("PS command:" "SubCode- Exit PS\n"); |
876c9d3a MT |
246 | break; |
247 | ||
0aef64d7 | 248 | case CMD_SUBCMD_SLEEP_CONFIRMED: |
9012b28a | 249 | lbs_deb_cmd("PS command: SubCode- sleep confirm\n"); |
876c9d3a MT |
250 | break; |
251 | ||
252 | default: | |
253 | break; | |
254 | } | |
255 | ||
9012b28a | 256 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
257 | return 0; |
258 | } | |
259 | ||
3fbe104c DW |
260 | int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action, |
261 | struct sleep_params *sp) | |
876c9d3a | 262 | { |
3fbe104c DW |
263 | struct cmd_ds_802_11_sleep_params cmd; |
264 | int ret; | |
876c9d3a | 265 | |
9012b28a | 266 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 267 | |
0aef64d7 | 268 | if (cmd_action == CMD_ACT_GET) { |
3fbe104c DW |
269 | memset(&cmd, 0, sizeof(cmd)); |
270 | } else { | |
271 | cmd.error = cpu_to_le16(sp->sp_error); | |
272 | cmd.offset = cpu_to_le16(sp->sp_offset); | |
273 | cmd.stabletime = cpu_to_le16(sp->sp_stabletime); | |
274 | cmd.calcontrol = sp->sp_calcontrol; | |
275 | cmd.externalsleepclk = sp->sp_extsleepclk; | |
276 | cmd.reserved = cpu_to_le16(sp->sp_reserved); | |
876c9d3a | 277 | } |
3fbe104c DW |
278 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
279 | cmd.action = cpu_to_le16(cmd_action); | |
876c9d3a | 280 | |
3fbe104c DW |
281 | ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd); |
282 | ||
283 | if (!ret) { | |
284 | lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, " | |
285 | "calcontrol 0x%x extsleepclk 0x%x\n", | |
286 | le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset), | |
287 | le16_to_cpu(cmd.stabletime), cmd.calcontrol, | |
288 | cmd.externalsleepclk); | |
289 | ||
290 | sp->sp_error = le16_to_cpu(cmd.error); | |
291 | sp->sp_offset = le16_to_cpu(cmd.offset); | |
292 | sp->sp_stabletime = le16_to_cpu(cmd.stabletime); | |
293 | sp->sp_calcontrol = cmd.calcontrol; | |
294 | sp->sp_extsleepclk = cmd.externalsleepclk; | |
295 | sp->sp_reserved = le16_to_cpu(cmd.reserved); | |
296 | } | |
297 | ||
298 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
876c9d3a MT |
299 | return 0; |
300 | } | |
301 | ||
49125454 AK |
302 | static int lbs_wait_for_ds_awake(struct lbs_private *priv) |
303 | { | |
304 | int ret = 0; | |
305 | ||
306 | lbs_deb_enter(LBS_DEB_CMD); | |
307 | ||
308 | if (priv->is_deep_sleep) { | |
309 | if (!wait_event_interruptible_timeout(priv->ds_awake_q, | |
310 | !priv->is_deep_sleep, (10 * HZ))) { | |
311 | lbs_pr_err("ds_awake_q: timer expired\n"); | |
312 | ret = -1; | |
313 | } | |
314 | } | |
315 | ||
316 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
317 | return ret; | |
318 | } | |
319 | ||
320 | int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep) | |
321 | { | |
322 | int ret = 0; | |
323 | ||
324 | lbs_deb_enter(LBS_DEB_CMD); | |
325 | ||
326 | if (deep_sleep) { | |
327 | if (priv->is_deep_sleep != 1) { | |
328 | lbs_deb_cmd("deep sleep: sleep\n"); | |
329 | BUG_ON(!priv->enter_deep_sleep); | |
330 | ret = priv->enter_deep_sleep(priv); | |
331 | if (!ret) { | |
332 | netif_stop_queue(priv->dev); | |
333 | netif_carrier_off(priv->dev); | |
334 | } | |
335 | } else { | |
336 | lbs_pr_err("deep sleep: already enabled\n"); | |
337 | } | |
338 | } else { | |
339 | if (priv->is_deep_sleep) { | |
340 | lbs_deb_cmd("deep sleep: wakeup\n"); | |
341 | BUG_ON(!priv->exit_deep_sleep); | |
342 | ret = priv->exit_deep_sleep(priv); | |
343 | if (!ret) { | |
344 | ret = lbs_wait_for_ds_awake(priv); | |
345 | if (ret) | |
346 | lbs_pr_err("deep sleep: wakeup" | |
347 | "failed\n"); | |
348 | } | |
349 | } | |
350 | } | |
351 | ||
352 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
353 | return ret; | |
354 | } | |
355 | ||
39fcf7a3 DW |
356 | /** |
357 | * @brief Set an SNMP MIB value | |
358 | * | |
359 | * @param priv A pointer to struct lbs_private structure | |
360 | * @param oid The OID to set in the firmware | |
361 | * @param val Value to set the OID to | |
362 | * | |
363 | * @return 0 on success, error on failure | |
364 | */ | |
365 | int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val) | |
876c9d3a | 366 | { |
39fcf7a3 DW |
367 | struct cmd_ds_802_11_snmp_mib cmd; |
368 | int ret; | |
876c9d3a | 369 | |
9012b28a | 370 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 371 | |
39fcf7a3 DW |
372 | memset(&cmd, 0, sizeof (cmd)); |
373 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
374 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
375 | cmd.oid = cpu_to_le16((u16) oid); | |
876c9d3a | 376 | |
39fcf7a3 DW |
377 | switch (oid) { |
378 | case SNMP_MIB_OID_BSS_TYPE: | |
379 | cmd.bufsize = cpu_to_le16(sizeof(u8)); | |
fef0640e | 380 | cmd.value[0] = val; |
39fcf7a3 DW |
381 | break; |
382 | case SNMP_MIB_OID_11D_ENABLE: | |
383 | case SNMP_MIB_OID_FRAG_THRESHOLD: | |
384 | case SNMP_MIB_OID_RTS_THRESHOLD: | |
385 | case SNMP_MIB_OID_SHORT_RETRY_LIMIT: | |
386 | case SNMP_MIB_OID_LONG_RETRY_LIMIT: | |
387 | cmd.bufsize = cpu_to_le16(sizeof(u16)); | |
388 | *((__le16 *)(&cmd.value)) = cpu_to_le16(val); | |
876c9d3a | 389 | break; |
39fcf7a3 DW |
390 | default: |
391 | lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid); | |
392 | ret = -EINVAL; | |
393 | goto out; | |
876c9d3a MT |
394 | } |
395 | ||
39fcf7a3 DW |
396 | lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n", |
397 | le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val); | |
876c9d3a | 398 | |
39fcf7a3 | 399 | ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); |
876c9d3a | 400 | |
39fcf7a3 DW |
401 | out: |
402 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
403 | return ret; | |
404 | } | |
876c9d3a | 405 | |
39fcf7a3 DW |
406 | /** |
407 | * @brief Get an SNMP MIB value | |
408 | * | |
409 | * @param priv A pointer to struct lbs_private structure | |
410 | * @param oid The OID to retrieve from the firmware | |
411 | * @param out_val Location for the returned value | |
412 | * | |
413 | * @return 0 on success, error on failure | |
414 | */ | |
415 | int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val) | |
416 | { | |
417 | struct cmd_ds_802_11_snmp_mib cmd; | |
418 | int ret; | |
876c9d3a | 419 | |
39fcf7a3 | 420 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 421 | |
39fcf7a3 DW |
422 | memset(&cmd, 0, sizeof (cmd)); |
423 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
424 | cmd.action = cpu_to_le16(CMD_ACT_GET); | |
425 | cmd.oid = cpu_to_le16(oid); | |
876c9d3a | 426 | |
39fcf7a3 DW |
427 | ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); |
428 | if (ret) | |
429 | goto out; | |
876c9d3a | 430 | |
39fcf7a3 DW |
431 | switch (le16_to_cpu(cmd.bufsize)) { |
432 | case sizeof(u8): | |
fef0640e | 433 | *out_val = cmd.value[0]; |
39fcf7a3 DW |
434 | break; |
435 | case sizeof(u16): | |
436 | *out_val = le16_to_cpu(*((__le16 *)(&cmd.value))); | |
876c9d3a MT |
437 | break; |
438 | default: | |
39fcf7a3 DW |
439 | lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n", |
440 | oid, le16_to_cpu(cmd.bufsize)); | |
876c9d3a MT |
441 | break; |
442 | } | |
443 | ||
39fcf7a3 DW |
444 | out: |
445 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
446 | return ret; | |
876c9d3a MT |
447 | } |
448 | ||
87c8c72d DW |
449 | /** |
450 | * @brief Get the min, max, and current TX power | |
451 | * | |
452 | * @param priv A pointer to struct lbs_private structure | |
453 | * @param curlevel Current power level in dBm | |
454 | * @param minlevel Minimum supported power level in dBm (optional) | |
455 | * @param maxlevel Maximum supported power level in dBm (optional) | |
456 | * | |
457 | * @return 0 on success, error on failure | |
458 | */ | |
459 | int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel, | |
460 | s16 *maxlevel) | |
876c9d3a | 461 | { |
87c8c72d DW |
462 | struct cmd_ds_802_11_rf_tx_power cmd; |
463 | int ret; | |
876c9d3a | 464 | |
9012b28a | 465 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 466 | |
87c8c72d DW |
467 | memset(&cmd, 0, sizeof(cmd)); |
468 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
469 | cmd.action = cpu_to_le16(CMD_ACT_GET); | |
470 | ||
471 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); | |
472 | if (ret == 0) { | |
473 | *curlevel = le16_to_cpu(cmd.curlevel); | |
474 | if (minlevel) | |
87bf24f3 | 475 | *minlevel = cmd.minlevel; |
87c8c72d | 476 | if (maxlevel) |
87bf24f3 | 477 | *maxlevel = cmd.maxlevel; |
87c8c72d | 478 | } |
876c9d3a | 479 | |
87c8c72d DW |
480 | lbs_deb_leave(LBS_DEB_CMD); |
481 | return ret; | |
482 | } | |
876c9d3a | 483 | |
87c8c72d DW |
484 | /** |
485 | * @brief Set the TX power | |
486 | * | |
487 | * @param priv A pointer to struct lbs_private structure | |
488 | * @param dbm The desired power level in dBm | |
489 | * | |
490 | * @return 0 on success, error on failure | |
491 | */ | |
492 | int lbs_set_tx_power(struct lbs_private *priv, s16 dbm) | |
493 | { | |
494 | struct cmd_ds_802_11_rf_tx_power cmd; | |
495 | int ret; | |
876c9d3a | 496 | |
87c8c72d | 497 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 498 | |
87c8c72d DW |
499 | memset(&cmd, 0, sizeof(cmd)); |
500 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
501 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
502 | cmd.curlevel = cpu_to_le16(dbm); | |
876c9d3a | 503 | |
87c8c72d DW |
504 | lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm); |
505 | ||
506 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); | |
9012b28a HS |
507 | |
508 | lbs_deb_leave(LBS_DEB_CMD); | |
87c8c72d | 509 | return ret; |
876c9d3a MT |
510 | } |
511 | ||
e98a88dd | 512 | static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd, |
965f8bbc LCC |
513 | u16 cmd_action, void *pdata_buf) |
514 | { | |
515 | struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor; | |
516 | ||
517 | cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE); | |
518 | cmd->size = | |
519 | cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) + | |
8ec97cc8 | 520 | sizeof(struct cmd_header)); |
965f8bbc LCC |
521 | |
522 | monitor->action = cpu_to_le16(cmd_action); | |
523 | if (cmd_action == CMD_ACT_SET) { | |
524 | monitor->mode = | |
525 | cpu_to_le16((u16) (*(u32 *) pdata_buf)); | |
526 | } | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
2dd4b262 DW |
531 | /** |
532 | * @brief Get the radio channel | |
533 | * | |
534 | * @param priv A pointer to struct lbs_private structure | |
535 | * | |
536 | * @return The channel on success, error on failure | |
537 | */ | |
a3cbfb08 | 538 | static int lbs_get_channel(struct lbs_private *priv) |
876c9d3a | 539 | { |
2dd4b262 DW |
540 | struct cmd_ds_802_11_rf_channel cmd; |
541 | int ret = 0; | |
876c9d3a | 542 | |
8ff12da1 | 543 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 544 | |
8d0c7fad | 545 | memset(&cmd, 0, sizeof(cmd)); |
2dd4b262 DW |
546 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
547 | cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET); | |
876c9d3a | 548 | |
689442dc | 549 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd); |
2dd4b262 DW |
550 | if (ret) |
551 | goto out; | |
876c9d3a | 552 | |
cb182a60 DW |
553 | ret = le16_to_cpu(cmd.channel); |
554 | lbs_deb_cmd("current radio channel is %d\n", ret); | |
2dd4b262 DW |
555 | |
556 | out: | |
557 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
558 | return ret; | |
559 | } | |
560 | ||
73ab1f25 HS |
561 | int lbs_update_channel(struct lbs_private *priv) |
562 | { | |
563 | int ret; | |
564 | ||
565 | /* the channel in f/w could be out of sync; get the current channel */ | |
566 | lbs_deb_enter(LBS_DEB_ASSOC); | |
567 | ||
568 | ret = lbs_get_channel(priv); | |
569 | if (ret > 0) { | |
c14951fe | 570 | priv->channel = ret; |
73ab1f25 HS |
571 | ret = 0; |
572 | } | |
573 | lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); | |
574 | return ret; | |
575 | } | |
576 | ||
2dd4b262 DW |
577 | /** |
578 | * @brief Set the radio channel | |
579 | * | |
580 | * @param priv A pointer to struct lbs_private structure | |
581 | * @param channel The desired channel, or 0 to clear a locked channel | |
582 | * | |
583 | * @return 0 on success, error on failure | |
584 | */ | |
585 | int lbs_set_channel(struct lbs_private *priv, u8 channel) | |
586 | { | |
587 | struct cmd_ds_802_11_rf_channel cmd; | |
96d46d5d | 588 | #ifdef DEBUG |
c14951fe | 589 | u8 old_channel = priv->channel; |
96d46d5d | 590 | #endif |
2dd4b262 DW |
591 | int ret = 0; |
592 | ||
593 | lbs_deb_enter(LBS_DEB_CMD); | |
594 | ||
8d0c7fad | 595 | memset(&cmd, 0, sizeof(cmd)); |
2dd4b262 DW |
596 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
597 | cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET); | |
598 | cmd.channel = cpu_to_le16(channel); | |
599 | ||
689442dc | 600 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd); |
2dd4b262 DW |
601 | if (ret) |
602 | goto out; | |
603 | ||
c14951fe | 604 | priv->channel = (uint8_t) le16_to_cpu(cmd.channel); |
cb182a60 | 605 | lbs_deb_cmd("channel switch from %d to %d\n", old_channel, |
c14951fe | 606 | priv->channel); |
2dd4b262 DW |
607 | |
608 | out: | |
609 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
610 | return ret; | |
876c9d3a MT |
611 | } |
612 | ||
e98a88dd | 613 | static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr, |
876c9d3a MT |
614 | u8 cmd_action, void *pdata_buf) |
615 | { | |
10078321 | 616 | struct lbs_offset_value *offval; |
876c9d3a | 617 | |
9012b28a | 618 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 619 | |
10078321 | 620 | offval = (struct lbs_offset_value *)pdata_buf; |
876c9d3a | 621 | |
c2df2efe | 622 | switch (le16_to_cpu(cmdptr->command)) { |
0aef64d7 | 623 | case CMD_MAC_REG_ACCESS: |
876c9d3a MT |
624 | { |
625 | struct cmd_ds_mac_reg_access *macreg; | |
626 | ||
627 | cmdptr->size = | |
981f187b | 628 | cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access) |
8ec97cc8 | 629 | + sizeof(struct cmd_header)); |
876c9d3a MT |
630 | macreg = |
631 | (struct cmd_ds_mac_reg_access *)&cmdptr->params. | |
632 | macreg; | |
633 | ||
634 | macreg->action = cpu_to_le16(cmd_action); | |
635 | macreg->offset = cpu_to_le16((u16) offval->offset); | |
636 | macreg->value = cpu_to_le32(offval->value); | |
637 | ||
638 | break; | |
639 | } | |
640 | ||
0aef64d7 | 641 | case CMD_BBP_REG_ACCESS: |
876c9d3a MT |
642 | { |
643 | struct cmd_ds_bbp_reg_access *bbpreg; | |
644 | ||
645 | cmdptr->size = | |
646 | cpu_to_le16(sizeof | |
647 | (struct cmd_ds_bbp_reg_access) | |
8ec97cc8 | 648 | + sizeof(struct cmd_header)); |
876c9d3a MT |
649 | bbpreg = |
650 | (struct cmd_ds_bbp_reg_access *)&cmdptr->params. | |
651 | bbpreg; | |
652 | ||
653 | bbpreg->action = cpu_to_le16(cmd_action); | |
654 | bbpreg->offset = cpu_to_le16((u16) offval->offset); | |
655 | bbpreg->value = (u8) offval->value; | |
656 | ||
657 | break; | |
658 | } | |
659 | ||
0aef64d7 | 660 | case CMD_RF_REG_ACCESS: |
876c9d3a MT |
661 | { |
662 | struct cmd_ds_rf_reg_access *rfreg; | |
663 | ||
664 | cmdptr->size = | |
665 | cpu_to_le16(sizeof | |
666 | (struct cmd_ds_rf_reg_access) + | |
8ec97cc8 | 667 | sizeof(struct cmd_header)); |
876c9d3a MT |
668 | rfreg = |
669 | (struct cmd_ds_rf_reg_access *)&cmdptr->params. | |
670 | rfreg; | |
671 | ||
672 | rfreg->action = cpu_to_le16(cmd_action); | |
673 | rfreg->offset = cpu_to_le16((u16) offval->offset); | |
674 | rfreg->value = (u8) offval->value; | |
675 | ||
676 | break; | |
677 | } | |
678 | ||
679 | default: | |
680 | break; | |
681 | } | |
682 | ||
9012b28a | 683 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
684 | return 0; |
685 | } | |
686 | ||
681ffbb7 DW |
687 | static void lbs_queue_cmd(struct lbs_private *priv, |
688 | struct cmd_ctrl_node *cmdnode) | |
876c9d3a MT |
689 | { |
690 | unsigned long flags; | |
681ffbb7 | 691 | int addtail = 1; |
876c9d3a | 692 | |
8ff12da1 | 693 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 694 | |
c4ab4127 DW |
695 | if (!cmdnode) { |
696 | lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n"); | |
876c9d3a MT |
697 | goto done; |
698 | } | |
d9896ee1 DW |
699 | if (!cmdnode->cmdbuf->size) { |
700 | lbs_deb_host("DNLD_CMD: cmd size is zero\n"); | |
701 | goto done; | |
702 | } | |
ae125bf8 | 703 | cmdnode->result = 0; |
876c9d3a MT |
704 | |
705 | /* Exit_PS command needs to be queued in the header always. */ | |
ddac4526 | 706 | if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) { |
38bfab1a | 707 | struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1]; |
ddac4526 | 708 | |
0aef64d7 | 709 | if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { |
aa21c004 | 710 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
711 | addtail = 0; |
712 | } | |
713 | } | |
714 | ||
aa21c004 | 715 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 716 | |
ac47246e | 717 | if (addtail) |
aa21c004 | 718 | list_add_tail(&cmdnode->list, &priv->cmdpendingq); |
ac47246e | 719 | else |
aa21c004 | 720 | list_add(&cmdnode->list, &priv->cmdpendingq); |
876c9d3a | 721 | |
aa21c004 | 722 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a | 723 | |
8ff12da1 | 724 | lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n", |
c4ab4127 | 725 | le16_to_cpu(cmdnode->cmdbuf->command)); |
876c9d3a MT |
726 | |
727 | done: | |
8ff12da1 | 728 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
729 | } |
730 | ||
18c52e7c DW |
731 | static void lbs_submit_command(struct lbs_private *priv, |
732 | struct cmd_ctrl_node *cmdnode) | |
876c9d3a MT |
733 | { |
734 | unsigned long flags; | |
ddac4526 | 735 | struct cmd_header *cmd; |
18c52e7c DW |
736 | uint16_t cmdsize; |
737 | uint16_t command; | |
57962f0b | 738 | int timeo = 3 * HZ; |
18c52e7c | 739 | int ret; |
876c9d3a | 740 | |
8ff12da1 | 741 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 742 | |
ddac4526 | 743 | cmd = cmdnode->cmdbuf; |
876c9d3a | 744 | |
aa21c004 | 745 | spin_lock_irqsave(&priv->driver_lock, flags); |
aa21c004 DW |
746 | priv->cur_cmd = cmdnode; |
747 | priv->cur_cmd_retcode = 0; | |
748 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
876c9d3a | 749 | |
ddac4526 DW |
750 | cmdsize = le16_to_cpu(cmd->size); |
751 | command = le16_to_cpu(cmd->command); | |
876c9d3a | 752 | |
18c52e7c | 753 | /* These commands take longer */ |
be0d76e4 | 754 | if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE) |
57962f0b | 755 | timeo = 5 * HZ; |
18c52e7c | 756 | |
e5225b39 HS |
757 | lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n", |
758 | command, le16_to_cpu(cmd->seqnum), cmdsize); | |
1afc09ab | 759 | lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize); |
8ff12da1 | 760 | |
ddac4526 | 761 | ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize); |
18c52e7c | 762 | |
d9896ee1 DW |
763 | if (ret) { |
764 | lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret); | |
18c52e7c DW |
765 | /* Let the timer kick in and retry, and potentially reset |
766 | the whole thing if the condition persists */ | |
57962f0b | 767 | timeo = HZ/4; |
1afc09ab | 768 | } |
876c9d3a | 769 | |
49125454 AK |
770 | if (command == CMD_802_11_DEEP_SLEEP) { |
771 | if (priv->is_auto_deep_sleep_enabled) { | |
772 | priv->wakeup_dev_required = 1; | |
773 | priv->dnld_sent = 0; | |
774 | } | |
775 | priv->is_deep_sleep = 1; | |
776 | lbs_complete_command(priv, cmdnode, 0); | |
777 | } else { | |
778 | /* Setup the timer after transmit command */ | |
779 | mod_timer(&priv->command_timer, jiffies + timeo); | |
780 | } | |
876c9d3a | 781 | |
18c52e7c | 782 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
783 | } |
784 | ||
876c9d3a MT |
785 | /** |
786 | * This function inserts command node to cmdfreeq | |
aa21c004 | 787 | * after cleans it. Requires priv->driver_lock held. |
876c9d3a | 788 | */ |
183aeac1 | 789 | static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv, |
5ba2f8a0 | 790 | struct cmd_ctrl_node *cmdnode) |
876c9d3a | 791 | { |
5ba2f8a0 DW |
792 | lbs_deb_enter(LBS_DEB_HOST); |
793 | ||
794 | if (!cmdnode) | |
795 | goto out; | |
796 | ||
5ba2f8a0 DW |
797 | cmdnode->callback = NULL; |
798 | cmdnode->callback_arg = 0; | |
876c9d3a | 799 | |
5ba2f8a0 | 800 | memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE); |
876c9d3a | 801 | |
5ba2f8a0 DW |
802 | list_add_tail(&cmdnode->list, &priv->cmdfreeq); |
803 | out: | |
804 | lbs_deb_leave(LBS_DEB_HOST); | |
876c9d3a MT |
805 | } |
806 | ||
69f9032d HS |
807 | static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv, |
808 | struct cmd_ctrl_node *ptempcmd) | |
876c9d3a MT |
809 | { |
810 | unsigned long flags; | |
811 | ||
aa21c004 | 812 | spin_lock_irqsave(&priv->driver_lock, flags); |
10078321 | 813 | __lbs_cleanup_and_insert_cmd(priv, ptempcmd); |
aa21c004 | 814 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
815 | } |
816 | ||
183aeac1 DW |
817 | void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd, |
818 | int result) | |
819 | { | |
820 | if (cmd == priv->cur_cmd) | |
821 | priv->cur_cmd_retcode = result; | |
5ba2f8a0 | 822 | |
ae125bf8 | 823 | cmd->result = result; |
5ba2f8a0 DW |
824 | cmd->cmdwaitqwoken = 1; |
825 | wake_up_interruptible(&cmd->cmdwait_q); | |
826 | ||
8db4a2b9 | 827 | if (!cmd->callback || cmd->callback == lbs_cmd_async_callback) |
ad12d0f4 | 828 | __lbs_cleanup_and_insert_cmd(priv, cmd); |
183aeac1 DW |
829 | priv->cur_cmd = NULL; |
830 | } | |
831 | ||
d5db2dfa | 832 | int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on) |
876c9d3a | 833 | { |
a7c45890 | 834 | struct cmd_ds_802_11_radio_control cmd; |
d5db2dfa | 835 | int ret = -EINVAL; |
876c9d3a | 836 | |
9012b28a | 837 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 838 | |
a7c45890 DW |
839 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
840 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
841 | ||
d5db2dfa DW |
842 | /* Only v8 and below support setting the preamble */ |
843 | if (priv->fwrelease < 0x09000000) { | |
844 | switch (preamble) { | |
845 | case RADIO_PREAMBLE_SHORT: | |
d5db2dfa DW |
846 | case RADIO_PREAMBLE_AUTO: |
847 | case RADIO_PREAMBLE_LONG: | |
848 | cmd.control = cpu_to_le16(preamble); | |
849 | break; | |
850 | default: | |
851 | goto out; | |
852 | } | |
853 | } | |
a7c45890 | 854 | |
d5db2dfa DW |
855 | if (radio_on) |
856 | cmd.control |= cpu_to_le16(0x1); | |
857 | else { | |
858 | cmd.control &= cpu_to_le16(~0x1); | |
859 | priv->txpower_cur = 0; | |
a7c45890 | 860 | } |
876c9d3a | 861 | |
d5db2dfa DW |
862 | lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n", |
863 | radio_on ? "ON" : "OFF", preamble); | |
a7c45890 | 864 | |
d5db2dfa | 865 | priv->radio_on = radio_on; |
a7c45890 DW |
866 | |
867 | ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd); | |
876c9d3a | 868 | |
d5db2dfa | 869 | out: |
9012b28a | 870 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); |
876c9d3a MT |
871 | return ret; |
872 | } | |
873 | ||
c97329e2 | 874 | void lbs_set_mac_control(struct lbs_private *priv) |
876c9d3a | 875 | { |
835d3ac5 | 876 | struct cmd_ds_mac_control cmd; |
876c9d3a | 877 | |
9012b28a | 878 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 879 | |
835d3ac5 | 880 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
d9e9778c | 881 | cmd.action = cpu_to_le16(priv->mac_control); |
835d3ac5 HS |
882 | cmd.reserved = 0; |
883 | ||
75bf45a7 | 884 | lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd)); |
876c9d3a | 885 | |
c97329e2 | 886 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
887 | } |
888 | ||
889 | /** | |
890 | * @brief This function prepare the command before send to firmware. | |
891 | * | |
69f9032d | 892 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
893 | * @param cmd_no command number |
894 | * @param cmd_action command action: GET or SET | |
895 | * @param wait_option wait option: wait response or not | |
896 | * @param cmd_oid cmd oid: treated as sub command | |
897 | * @param pdata_buf A pointer to informaion buffer | |
898 | * @return 0 or -1 | |
899 | */ | |
69f9032d | 900 | int lbs_prepare_and_send_command(struct lbs_private *priv, |
876c9d3a MT |
901 | u16 cmd_no, |
902 | u16 cmd_action, | |
903 | u16 wait_option, u32 cmd_oid, void *pdata_buf) | |
904 | { | |
905 | int ret = 0; | |
876c9d3a MT |
906 | struct cmd_ctrl_node *cmdnode; |
907 | struct cmd_ds_command *cmdptr; | |
908 | unsigned long flags; | |
909 | ||
8ff12da1 | 910 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 911 | |
aa21c004 DW |
912 | if (!priv) { |
913 | lbs_deb_host("PREP_CMD: priv is NULL\n"); | |
876c9d3a MT |
914 | ret = -1; |
915 | goto done; | |
916 | } | |
917 | ||
aa21c004 | 918 | if (priv->surpriseremoved) { |
8ff12da1 | 919 | lbs_deb_host("PREP_CMD: card removed\n"); |
876c9d3a MT |
920 | ret = -1; |
921 | goto done; | |
922 | } | |
923 | ||
63f275df AK |
924 | if (!lbs_is_cmd_allowed(priv)) { |
925 | ret = -EBUSY; | |
926 | goto done; | |
927 | } | |
928 | ||
0d61d042 | 929 | cmdnode = lbs_get_cmd_ctrl_node(priv); |
876c9d3a MT |
930 | |
931 | if (cmdnode == NULL) { | |
8ff12da1 | 932 | lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); |
876c9d3a MT |
933 | |
934 | /* Wake up main thread to execute next command */ | |
fe336150 | 935 | wake_up_interruptible(&priv->waitq); |
876c9d3a MT |
936 | ret = -1; |
937 | goto done; | |
938 | } | |
939 | ||
e98a88dd HS |
940 | cmdnode->callback = NULL; |
941 | cmdnode->callback_arg = (unsigned long)pdata_buf; | |
876c9d3a | 942 | |
ddac4526 | 943 | cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf; |
876c9d3a | 944 | |
8ff12da1 | 945 | lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no); |
876c9d3a | 946 | |
876c9d3a | 947 | /* Set sequence number, command and INT option */ |
aa21c004 DW |
948 | priv->seqnum++; |
949 | cmdptr->seqnum = cpu_to_le16(priv->seqnum); | |
876c9d3a | 950 | |
981f187b | 951 | cmdptr->command = cpu_to_le16(cmd_no); |
876c9d3a MT |
952 | cmdptr->result = 0; |
953 | ||
954 | switch (cmd_no) { | |
0aef64d7 | 955 | case CMD_802_11_PS_MODE: |
e98a88dd | 956 | ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action); |
876c9d3a MT |
957 | break; |
958 | ||
0aef64d7 DW |
959 | case CMD_MAC_REG_ACCESS: |
960 | case CMD_BBP_REG_ACCESS: | |
961 | case CMD_RF_REG_ACCESS: | |
e98a88dd | 962 | ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
963 | break; |
964 | ||
965f8bbc | 965 | case CMD_802_11_MONITOR_MODE: |
e98a88dd | 966 | ret = lbs_cmd_802_11_monitor_mode(cmdptr, |
965f8bbc LCC |
967 | cmd_action, pdata_buf); |
968 | break; | |
969 | ||
0aef64d7 | 970 | case CMD_802_11_RSSI: |
10078321 | 971 | ret = lbs_cmd_802_11_rssi(priv, cmdptr); |
876c9d3a MT |
972 | break; |
973 | ||
0aef64d7 DW |
974 | case CMD_802_11_SET_AFC: |
975 | case CMD_802_11_GET_AFC: | |
876c9d3a MT |
976 | |
977 | cmdptr->command = cpu_to_le16(cmd_no); | |
981f187b | 978 | cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) + |
8ec97cc8 | 979 | sizeof(struct cmd_header)); |
876c9d3a MT |
980 | |
981 | memmove(&cmdptr->params.afc, | |
982 | pdata_buf, sizeof(struct cmd_ds_802_11_afc)); | |
983 | ||
984 | ret = 0; | |
985 | goto done; | |
986 | ||
0aef64d7 DW |
987 | case CMD_802_11_TPC_CFG: |
988 | cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG); | |
876c9d3a MT |
989 | cmdptr->size = |
990 | cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) + | |
8ec97cc8 | 991 | sizeof(struct cmd_header)); |
876c9d3a MT |
992 | |
993 | memmove(&cmdptr->params.tpccfg, | |
994 | pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg)); | |
995 | ||
996 | ret = 0; | |
997 | break; | |
5844d12e | 998 | |
4143a23d HS |
999 | #ifdef CONFIG_LIBERTAS_MESH |
1000 | ||
0aef64d7 | 1001 | case CMD_BT_ACCESS: |
e98a88dd | 1002 | ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
1003 | break; |
1004 | ||
0aef64d7 | 1005 | case CMD_FWT_ACCESS: |
e98a88dd | 1006 | ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
1007 | break; |
1008 | ||
4143a23d HS |
1009 | #endif |
1010 | ||
96287ac4 BD |
1011 | case CMD_802_11_BEACON_CTRL: |
1012 | ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action); | |
1013 | break; | |
49125454 AK |
1014 | case CMD_802_11_DEEP_SLEEP: |
1015 | cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP); | |
8ec97cc8 | 1016 | cmdptr->size = cpu_to_le16(sizeof(struct cmd_header)); |
49125454 | 1017 | break; |
876c9d3a | 1018 | default: |
e37fc6e1 | 1019 | lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no); |
876c9d3a MT |
1020 | ret = -1; |
1021 | break; | |
1022 | } | |
1023 | ||
1024 | /* return error, since the command preparation failed */ | |
1025 | if (ret != 0) { | |
8ff12da1 | 1026 | lbs_deb_host("PREP_CMD: command preparation failed\n"); |
10078321 | 1027 | lbs_cleanup_and_insert_cmd(priv, cmdnode); |
876c9d3a MT |
1028 | ret = -1; |
1029 | goto done; | |
1030 | } | |
1031 | ||
1032 | cmdnode->cmdwaitqwoken = 0; | |
1033 | ||
681ffbb7 | 1034 | lbs_queue_cmd(priv, cmdnode); |
fe336150 | 1035 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1036 | |
0aef64d7 | 1037 | if (wait_option & CMD_OPTION_WAITFORRSP) { |
8ff12da1 | 1038 | lbs_deb_host("PREP_CMD: wait for response\n"); |
876c9d3a MT |
1039 | might_sleep(); |
1040 | wait_event_interruptible(cmdnode->cmdwait_q, | |
1041 | cmdnode->cmdwaitqwoken); | |
1042 | } | |
1043 | ||
aa21c004 DW |
1044 | spin_lock_irqsave(&priv->driver_lock, flags); |
1045 | if (priv->cur_cmd_retcode) { | |
8ff12da1 | 1046 | lbs_deb_host("PREP_CMD: command failed with return code %d\n", |
aa21c004 DW |
1047 | priv->cur_cmd_retcode); |
1048 | priv->cur_cmd_retcode = 0; | |
876c9d3a MT |
1049 | ret = -1; |
1050 | } | |
aa21c004 | 1051 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1052 | |
1053 | done: | |
8ff12da1 | 1054 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
876c9d3a MT |
1055 | return ret; |
1056 | } | |
1057 | ||
1058 | /** | |
1059 | * @brief This function allocates the command buffer and link | |
1060 | * it to command free queue. | |
1061 | * | |
69f9032d | 1062 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1063 | * @return 0 or -1 |
1064 | */ | |
69f9032d | 1065 | int lbs_allocate_cmd_buffer(struct lbs_private *priv) |
876c9d3a MT |
1066 | { |
1067 | int ret = 0; | |
ddac4526 | 1068 | u32 bufsize; |
876c9d3a | 1069 | u32 i; |
ddac4526 | 1070 | struct cmd_ctrl_node *cmdarray; |
876c9d3a | 1071 | |
8ff12da1 | 1072 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1073 | |
ddac4526 DW |
1074 | /* Allocate and initialize the command array */ |
1075 | bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS; | |
1076 | if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) { | |
8ff12da1 | 1077 | lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n"); |
876c9d3a MT |
1078 | ret = -1; |
1079 | goto done; | |
1080 | } | |
ddac4526 | 1081 | priv->cmd_array = cmdarray; |
876c9d3a | 1082 | |
ddac4526 DW |
1083 | /* Allocate and initialize each command buffer in the command array */ |
1084 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { | |
1085 | cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL); | |
1086 | if (!cmdarray[i].cmdbuf) { | |
8ff12da1 | 1087 | lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n"); |
876c9d3a MT |
1088 | ret = -1; |
1089 | goto done; | |
1090 | } | |
876c9d3a MT |
1091 | } |
1092 | ||
ddac4526 DW |
1093 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { |
1094 | init_waitqueue_head(&cmdarray[i].cmdwait_q); | |
1095 | lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]); | |
876c9d3a | 1096 | } |
876c9d3a | 1097 | ret = 0; |
9012b28a HS |
1098 | |
1099 | done: | |
8ff12da1 | 1100 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
876c9d3a MT |
1101 | return ret; |
1102 | } | |
1103 | ||
1104 | /** | |
1105 | * @brief This function frees the command buffer. | |
1106 | * | |
69f9032d | 1107 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1108 | * @return 0 or -1 |
1109 | */ | |
69f9032d | 1110 | int lbs_free_cmd_buffer(struct lbs_private *priv) |
876c9d3a | 1111 | { |
ddac4526 | 1112 | struct cmd_ctrl_node *cmdarray; |
876c9d3a | 1113 | unsigned int i; |
876c9d3a | 1114 | |
8ff12da1 | 1115 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a MT |
1116 | |
1117 | /* need to check if cmd array is allocated or not */ | |
aa21c004 | 1118 | if (priv->cmd_array == NULL) { |
8ff12da1 | 1119 | lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n"); |
876c9d3a MT |
1120 | goto done; |
1121 | } | |
1122 | ||
ddac4526 | 1123 | cmdarray = priv->cmd_array; |
876c9d3a MT |
1124 | |
1125 | /* Release shared memory buffers */ | |
ddac4526 DW |
1126 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { |
1127 | if (cmdarray[i].cmdbuf) { | |
1128 | kfree(cmdarray[i].cmdbuf); | |
1129 | cmdarray[i].cmdbuf = NULL; | |
876c9d3a MT |
1130 | } |
1131 | } | |
1132 | ||
1133 | /* Release cmd_ctrl_node */ | |
aa21c004 DW |
1134 | if (priv->cmd_array) { |
1135 | kfree(priv->cmd_array); | |
1136 | priv->cmd_array = NULL; | |
876c9d3a MT |
1137 | } |
1138 | ||
1139 | done: | |
8ff12da1 | 1140 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1141 | return 0; |
1142 | } | |
1143 | ||
1144 | /** | |
1145 | * @brief This function gets a free command node if available in | |
1146 | * command free queue. | |
1147 | * | |
69f9032d | 1148 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1149 | * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL |
1150 | */ | |
2fd6cfe3 | 1151 | static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv) |
876c9d3a MT |
1152 | { |
1153 | struct cmd_ctrl_node *tempnode; | |
876c9d3a MT |
1154 | unsigned long flags; |
1155 | ||
8ff12da1 HS |
1156 | lbs_deb_enter(LBS_DEB_HOST); |
1157 | ||
aa21c004 | 1158 | if (!priv) |
876c9d3a MT |
1159 | return NULL; |
1160 | ||
aa21c004 | 1161 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 1162 | |
aa21c004 DW |
1163 | if (!list_empty(&priv->cmdfreeq)) { |
1164 | tempnode = list_first_entry(&priv->cmdfreeq, | |
abe3ed14 LZ |
1165 | struct cmd_ctrl_node, list); |
1166 | list_del(&tempnode->list); | |
876c9d3a | 1167 | } else { |
8ff12da1 | 1168 | lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n"); |
876c9d3a MT |
1169 | tempnode = NULL; |
1170 | } | |
1171 | ||
aa21c004 | 1172 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a | 1173 | |
8ff12da1 | 1174 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1175 | return tempnode; |
1176 | } | |
1177 | ||
876c9d3a MT |
1178 | /** |
1179 | * @brief This function executes next command in command | |
877d0310 | 1180 | * pending queue. It will put firmware back to PS mode |
876c9d3a MT |
1181 | * if applicable. |
1182 | * | |
69f9032d | 1183 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1184 | * @return 0 or -1 |
1185 | */ | |
69f9032d | 1186 | int lbs_execute_next_command(struct lbs_private *priv) |
876c9d3a | 1187 | { |
876c9d3a | 1188 | struct cmd_ctrl_node *cmdnode = NULL; |
ddac4526 | 1189 | struct cmd_header *cmd; |
876c9d3a MT |
1190 | unsigned long flags; |
1191 | int ret = 0; | |
1192 | ||
1afc09ab HS |
1193 | /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the |
1194 | * only caller to us is lbs_thread() and we get even when a | |
1195 | * data packet is received */ | |
8ff12da1 | 1196 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1197 | |
aa21c004 | 1198 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 1199 | |
aa21c004 | 1200 | if (priv->cur_cmd) { |
8ff12da1 | 1201 | lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n"); |
aa21c004 | 1202 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1203 | ret = -1; |
1204 | goto done; | |
1205 | } | |
1206 | ||
aa21c004 DW |
1207 | if (!list_empty(&priv->cmdpendingq)) { |
1208 | cmdnode = list_first_entry(&priv->cmdpendingq, | |
abe3ed14 | 1209 | struct cmd_ctrl_node, list); |
876c9d3a MT |
1210 | } |
1211 | ||
aa21c004 | 1212 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1213 | |
1214 | if (cmdnode) { | |
ddac4526 | 1215 | cmd = cmdnode->cmdbuf; |
876c9d3a | 1216 | |
ddac4526 | 1217 | if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) { |
aa21c004 DW |
1218 | if ((priv->psstate == PS_STATE_SLEEP) || |
1219 | (priv->psstate == PS_STATE_PRE_SLEEP)) { | |
8ff12da1 HS |
1220 | lbs_deb_host( |
1221 | "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n", | |
ddac4526 | 1222 | le16_to_cpu(cmd->command), |
aa21c004 | 1223 | priv->psstate); |
876c9d3a MT |
1224 | ret = -1; |
1225 | goto done; | |
1226 | } | |
8ff12da1 | 1227 | lbs_deb_host("EXEC_NEXT_CMD: OK to send command " |
ddac4526 DW |
1228 | "0x%04x in psstate %d\n", |
1229 | le16_to_cpu(cmd->command), priv->psstate); | |
aa21c004 | 1230 | } else if (priv->psstate != PS_STATE_FULL_POWER) { |
876c9d3a MT |
1231 | /* |
1232 | * 1. Non-PS command: | |
1233 | * Queue it. set needtowakeup to TRUE if current state | |
10078321 | 1234 | * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS. |
876c9d3a MT |
1235 | * 2. PS command but not Exit_PS: |
1236 | * Ignore it. | |
1237 | * 3. PS command Exit_PS: | |
1238 | * Set needtowakeup to TRUE if current state is SLEEP, | |
1239 | * otherwise send this command down to firmware | |
1240 | * immediately. | |
1241 | */ | |
ddac4526 | 1242 | if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) { |
876c9d3a MT |
1243 | /* Prepare to send Exit PS, |
1244 | * this non PS command will be sent later */ | |
aa21c004 DW |
1245 | if ((priv->psstate == PS_STATE_SLEEP) |
1246 | || (priv->psstate == PS_STATE_PRE_SLEEP) | |
876c9d3a MT |
1247 | ) { |
1248 | /* w/ new scheme, it will not reach here. | |
1249 | since it is blocked in main_thread. */ | |
aa21c004 | 1250 | priv->needtowakeup = 1; |
876c9d3a | 1251 | } else |
10078321 | 1252 | lbs_ps_wakeup(priv, 0); |
876c9d3a MT |
1253 | |
1254 | ret = 0; | |
1255 | goto done; | |
1256 | } else { | |
1257 | /* | |
1258 | * PS command. Ignore it if it is not Exit_PS. | |
1259 | * otherwise send it down immediately. | |
1260 | */ | |
38bfab1a | 1261 | struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1]; |
876c9d3a | 1262 | |
8ff12da1 HS |
1263 | lbs_deb_host( |
1264 | "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n", | |
876c9d3a MT |
1265 | psm->action); |
1266 | if (psm->action != | |
0aef64d7 | 1267 | cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { |
8ff12da1 HS |
1268 | lbs_deb_host( |
1269 | "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n"); | |
abe3ed14 | 1270 | list_del(&cmdnode->list); |
183aeac1 DW |
1271 | spin_lock_irqsave(&priv->driver_lock, flags); |
1272 | lbs_complete_command(priv, cmdnode, 0); | |
1273 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
876c9d3a MT |
1274 | |
1275 | ret = 0; | |
1276 | goto done; | |
1277 | } | |
1278 | ||
aa21c004 DW |
1279 | if ((priv->psstate == PS_STATE_SLEEP) || |
1280 | (priv->psstate == PS_STATE_PRE_SLEEP)) { | |
8ff12da1 HS |
1281 | lbs_deb_host( |
1282 | "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n"); | |
abe3ed14 | 1283 | list_del(&cmdnode->list); |
183aeac1 DW |
1284 | spin_lock_irqsave(&priv->driver_lock, flags); |
1285 | lbs_complete_command(priv, cmdnode, 0); | |
1286 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
aa21c004 | 1287 | priv->needtowakeup = 1; |
876c9d3a MT |
1288 | |
1289 | ret = 0; | |
1290 | goto done; | |
1291 | } | |
1292 | ||
8ff12da1 HS |
1293 | lbs_deb_host( |
1294 | "EXEC_NEXT_CMD: sending EXIT_PS\n"); | |
876c9d3a MT |
1295 | } |
1296 | } | |
abe3ed14 | 1297 | list_del(&cmdnode->list); |
8ff12da1 | 1298 | lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n", |
ddac4526 | 1299 | le16_to_cpu(cmd->command)); |
d9896ee1 | 1300 | lbs_submit_command(priv, cmdnode); |
876c9d3a MT |
1301 | } else { |
1302 | /* | |
1303 | * check if in power save mode, if yes, put the device back | |
1304 | * to PS mode | |
1305 | */ | |
aa21c004 DW |
1306 | if ((priv->psmode != LBS802_11POWERMODECAM) && |
1307 | (priv->psstate == PS_STATE_FULL_POWER) && | |
1308 | ((priv->connect_status == LBS_CONNECTED) || | |
602114ae | 1309 | lbs_mesh_connected(priv))) { |
aa21c004 DW |
1310 | if (priv->secinfo.WPAenabled || |
1311 | priv->secinfo.WPA2enabled) { | |
876c9d3a | 1312 | /* check for valid WPA group keys */ |
aa21c004 DW |
1313 | if (priv->wpa_mcast_key.len || |
1314 | priv->wpa_unicast_key.len) { | |
8ff12da1 | 1315 | lbs_deb_host( |
876c9d3a MT |
1316 | "EXEC_NEXT_CMD: WPA enabled and GTK_SET" |
1317 | " go back to PS_SLEEP"); | |
10078321 | 1318 | lbs_ps_sleep(priv, 0); |
876c9d3a MT |
1319 | } |
1320 | } else { | |
8ff12da1 HS |
1321 | lbs_deb_host( |
1322 | "EXEC_NEXT_CMD: cmdpendingq empty, " | |
1323 | "go back to PS_SLEEP"); | |
10078321 | 1324 | lbs_ps_sleep(priv, 0); |
876c9d3a MT |
1325 | } |
1326 | } | |
1327 | } | |
1328 | ||
1329 | ret = 0; | |
1330 | done: | |
8ff12da1 | 1331 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
1332 | return ret; |
1333 | } | |
1334 | ||
f539f2ef | 1335 | static void lbs_send_confirmsleep(struct lbs_private *priv) |
876c9d3a MT |
1336 | { |
1337 | unsigned long flags; | |
f539f2ef | 1338 | int ret; |
876c9d3a | 1339 | |
8ff12da1 | 1340 | lbs_deb_enter(LBS_DEB_HOST); |
f539f2ef HS |
1341 | lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep, |
1342 | sizeof(confirm_sleep)); | |
876c9d3a | 1343 | |
f539f2ef HS |
1344 | ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep, |
1345 | sizeof(confirm_sleep)); | |
876c9d3a | 1346 | if (ret) { |
f539f2ef | 1347 | lbs_pr_alert("confirm_sleep failed\n"); |
7919b89c | 1348 | goto out; |
876c9d3a | 1349 | } |
7919b89c HS |
1350 | |
1351 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1352 | ||
a01f5450 HS |
1353 | /* We don't get a response on the sleep-confirmation */ |
1354 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
1355 | ||
7919b89c | 1356 | /* If nothing to do, go back to sleep (?) */ |
e64c026d | 1357 | if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx]) |
7919b89c HS |
1358 | priv->psstate = PS_STATE_SLEEP; |
1359 | ||
1360 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1361 | ||
1362 | out: | |
f539f2ef | 1363 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1364 | } |
1365 | ||
69f9032d | 1366 | void lbs_ps_sleep(struct lbs_private *priv, int wait_option) |
876c9d3a | 1367 | { |
8ff12da1 | 1368 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a MT |
1369 | |
1370 | /* | |
1371 | * PS is currently supported only in Infrastructure mode | |
1372 | * Remove this check if it is to be supported in IBSS mode also | |
1373 | */ | |
1374 | ||
10078321 | 1375 | lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, |
0aef64d7 | 1376 | CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL); |
876c9d3a | 1377 | |
8ff12da1 | 1378 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1379 | } |
1380 | ||
1381 | /** | |
8ff12da1 | 1382 | * @brief This function sends Exit_PS command to firmware. |
876c9d3a | 1383 | * |
69f9032d | 1384 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1385 | * @param wait_option wait response or not |
1386 | * @return n/a | |
1387 | */ | |
69f9032d | 1388 | void lbs_ps_wakeup(struct lbs_private *priv, int wait_option) |
876c9d3a | 1389 | { |
981f187b | 1390 | __le32 Localpsmode; |
876c9d3a | 1391 | |
8ff12da1 | 1392 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1393 | |
10078321 | 1394 | Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM); |
876c9d3a | 1395 | |
10078321 | 1396 | lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, |
0aef64d7 | 1397 | CMD_SUBCMD_EXIT_PS, |
876c9d3a MT |
1398 | wait_option, 0, &Localpsmode); |
1399 | ||
8ff12da1 | 1400 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1401 | } |
1402 | ||
1403 | /** | |
1404 | * @brief This function checks condition and prepares to | |
1405 | * send sleep confirm command to firmware if ok. | |
1406 | * | |
69f9032d | 1407 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1408 | * @param psmode Power Saving mode |
1409 | * @return n/a | |
1410 | */ | |
d4ff0ef6 | 1411 | void lbs_ps_confirm_sleep(struct lbs_private *priv) |
876c9d3a MT |
1412 | { |
1413 | unsigned long flags =0; | |
d4ff0ef6 | 1414 | int allowed = 1; |
876c9d3a | 1415 | |
8ff12da1 | 1416 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1417 | |
a01f5450 | 1418 | spin_lock_irqsave(&priv->driver_lock, flags); |
634b8f49 | 1419 | if (priv->dnld_sent) { |
876c9d3a | 1420 | allowed = 0; |
23d36eec | 1421 | lbs_deb_host("dnld_sent was set\n"); |
876c9d3a MT |
1422 | } |
1423 | ||
7919b89c | 1424 | /* In-progress command? */ |
aa21c004 | 1425 | if (priv->cur_cmd) { |
876c9d3a | 1426 | allowed = 0; |
23d36eec | 1427 | lbs_deb_host("cur_cmd was set\n"); |
876c9d3a | 1428 | } |
7919b89c HS |
1429 | |
1430 | /* Pending events or command responses? */ | |
e64c026d | 1431 | if (kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) { |
876c9d3a | 1432 | allowed = 0; |
7919b89c | 1433 | lbs_deb_host("pending events or command responses\n"); |
876c9d3a | 1434 | } |
aa21c004 | 1435 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1436 | |
1437 | if (allowed) { | |
10078321 | 1438 | lbs_deb_host("sending lbs_ps_confirm_sleep\n"); |
f539f2ef | 1439 | lbs_send_confirmsleep(priv); |
876c9d3a | 1440 | } else { |
8ff12da1 | 1441 | lbs_deb_host("sleep confirm has been delayed\n"); |
876c9d3a MT |
1442 | } |
1443 | ||
8ff12da1 | 1444 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a | 1445 | } |
675787e2 HS |
1446 | |
1447 | ||
0112c9e9 AN |
1448 | /** |
1449 | * @brief Configures the transmission power control functionality. | |
1450 | * | |
1451 | * @param priv A pointer to struct lbs_private structure | |
1452 | * @param enable Transmission power control enable | |
1453 | * @param p0 Power level when link quality is good (dBm). | |
1454 | * @param p1 Power level when link quality is fair (dBm). | |
1455 | * @param p2 Power level when link quality is poor (dBm). | |
1456 | * @param usesnr Use Signal to Noise Ratio in TPC | |
1457 | * | |
1458 | * @return 0 on success | |
1459 | */ | |
1460 | int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1, | |
1461 | int8_t p2, int usesnr) | |
1462 | { | |
1463 | struct cmd_ds_802_11_tpc_cfg cmd; | |
1464 | int ret; | |
1465 | ||
1466 | memset(&cmd, 0, sizeof(cmd)); | |
1467 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1468 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
1469 | cmd.enable = !!enable; | |
3ed6e080 | 1470 | cmd.usesnr = !!usesnr; |
0112c9e9 AN |
1471 | cmd.P0 = p0; |
1472 | cmd.P1 = p1; | |
1473 | cmd.P2 = p2; | |
1474 | ||
1475 | ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd); | |
1476 | ||
1477 | return ret; | |
1478 | } | |
1479 | ||
1480 | /** | |
1481 | * @brief Configures the power adaptation settings. | |
1482 | * | |
1483 | * @param priv A pointer to struct lbs_private structure | |
1484 | * @param enable Power adaptation enable | |
1485 | * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm). | |
1486 | * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm). | |
1487 | * @param p2 Power level for 48 and 54 Mbps (dBm). | |
1488 | * | |
1489 | * @return 0 on Success | |
1490 | */ | |
1491 | ||
1492 | int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0, | |
1493 | int8_t p1, int8_t p2) | |
1494 | { | |
1495 | struct cmd_ds_802_11_pa_cfg cmd; | |
1496 | int ret; | |
1497 | ||
1498 | memset(&cmd, 0, sizeof(cmd)); | |
1499 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1500 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
1501 | cmd.enable = !!enable; | |
1502 | cmd.P0 = p0; | |
1503 | cmd.P1 = p1; | |
1504 | cmd.P2 = p2; | |
1505 | ||
1506 | ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd); | |
1507 | ||
1508 | return ret; | |
1509 | } | |
1510 | ||
1511 | ||
6d898b19 | 1512 | struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, |
8db4a2b9 HS |
1513 | uint16_t command, struct cmd_header *in_cmd, int in_cmd_size, |
1514 | int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *), | |
1515 | unsigned long callback_arg) | |
675787e2 | 1516 | { |
675787e2 | 1517 | struct cmd_ctrl_node *cmdnode; |
675787e2 HS |
1518 | |
1519 | lbs_deb_enter(LBS_DEB_HOST); | |
675787e2 | 1520 | |
aa21c004 | 1521 | if (priv->surpriseremoved) { |
675787e2 | 1522 | lbs_deb_host("PREP_CMD: card removed\n"); |
3399ea5f | 1523 | cmdnode = ERR_PTR(-ENOENT); |
675787e2 HS |
1524 | goto done; |
1525 | } | |
1526 | ||
63f275df AK |
1527 | if (!lbs_is_cmd_allowed(priv)) { |
1528 | cmdnode = ERR_PTR(-EBUSY); | |
1529 | goto done; | |
1530 | } | |
1531 | ||
675787e2 | 1532 | cmdnode = lbs_get_cmd_ctrl_node(priv); |
675787e2 HS |
1533 | if (cmdnode == NULL) { |
1534 | lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); | |
1535 | ||
1536 | /* Wake up main thread to execute next command */ | |
1537 | wake_up_interruptible(&priv->waitq); | |
3399ea5f | 1538 | cmdnode = ERR_PTR(-ENOBUFS); |
675787e2 HS |
1539 | goto done; |
1540 | } | |
1541 | ||
448a51ae | 1542 | cmdnode->callback = callback; |
1309b55b | 1543 | cmdnode->callback_arg = callback_arg; |
675787e2 | 1544 | |
7ad994de | 1545 | /* Copy the incoming command to the buffer */ |
ddac4526 | 1546 | memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size); |
7ad994de | 1547 | |
675787e2 | 1548 | /* Set sequence number, clean result, move to buffer */ |
aa21c004 | 1549 | priv->seqnum++; |
ddac4526 DW |
1550 | cmdnode->cmdbuf->command = cpu_to_le16(command); |
1551 | cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size); | |
1552 | cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum); | |
1553 | cmdnode->cmdbuf->result = 0; | |
675787e2 HS |
1554 | |
1555 | lbs_deb_host("PREP_CMD: command 0x%04x\n", command); | |
1556 | ||
675787e2 | 1557 | cmdnode->cmdwaitqwoken = 0; |
681ffbb7 | 1558 | lbs_queue_cmd(priv, cmdnode); |
675787e2 HS |
1559 | wake_up_interruptible(&priv->waitq); |
1560 | ||
3399ea5f DW |
1561 | done: |
1562 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode); | |
1563 | return cmdnode; | |
1564 | } | |
1565 | ||
8db4a2b9 HS |
1566 | void lbs_cmd_async(struct lbs_private *priv, uint16_t command, |
1567 | struct cmd_header *in_cmd, int in_cmd_size) | |
1568 | { | |
1569 | lbs_deb_enter(LBS_DEB_CMD); | |
1570 | __lbs_cmd_async(priv, command, in_cmd, in_cmd_size, | |
1571 | lbs_cmd_async_callback, 0); | |
1572 | lbs_deb_leave(LBS_DEB_CMD); | |
1573 | } | |
1574 | ||
3399ea5f DW |
1575 | int __lbs_cmd(struct lbs_private *priv, uint16_t command, |
1576 | struct cmd_header *in_cmd, int in_cmd_size, | |
1577 | int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *), | |
1578 | unsigned long callback_arg) | |
1579 | { | |
1580 | struct cmd_ctrl_node *cmdnode; | |
1581 | unsigned long flags; | |
1582 | int ret = 0; | |
1583 | ||
1584 | lbs_deb_enter(LBS_DEB_HOST); | |
1585 | ||
1586 | cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size, | |
1587 | callback, callback_arg); | |
1588 | if (IS_ERR(cmdnode)) { | |
1589 | ret = PTR_ERR(cmdnode); | |
1590 | goto done; | |
1591 | } | |
1592 | ||
675787e2 HS |
1593 | might_sleep(); |
1594 | wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken); | |
1595 | ||
aa21c004 | 1596 | spin_lock_irqsave(&priv->driver_lock, flags); |
ae125bf8 DW |
1597 | ret = cmdnode->result; |
1598 | if (ret) | |
1599 | lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n", | |
1600 | command, ret); | |
3399ea5f | 1601 | |
ad12d0f4 | 1602 | __lbs_cleanup_and_insert_cmd(priv, cmdnode); |
aa21c004 | 1603 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
675787e2 HS |
1604 | |
1605 | done: | |
1606 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); | |
1607 | return ret; | |
1608 | } | |
14e865ba | 1609 | EXPORT_SYMBOL_GPL(__lbs_cmd); |